TL;DR: Icarus is a Y Combinator Fall 2025 startup Stratospheric birds for defense, currently active with a team of 50.
Stratospheric birds for defense
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Icarus is building the modern-day U-2 spy plane. Our autonomous solar aircraft fly at 60,000 feet for weeks at a time, eventually months and years, above weather and below satellites. They deliver persistent intelligence and connectivity for the military at a fraction of the cost of existing systems. The stratosphere is the forgotten frontier.
Built by LemStudio
Yes. Icarus was funded by Y Combinator in the Fall 2025 batch. Stratospheric birds for defense
Icarus is building the modern-day U-2 spy plane. Our autonomous solar aircraft fly at 60,000 feet for weeks at a time, eventually months and years, above weather and below satellites. They deliver persistent intelligence and connectivity for the military at a fraction of the cost of existing systems. The stratosphere…
Icarus was part of Y Combinator's Fall 2025 batch.
Icarus has a team of 50 people according to Y Combinator's directory.
Icarus is currently listed as Active with a team of 50 in Y Combinator's directory.
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